sh: fix P4 iounmap() pass-through

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From: Linux Kernel Mailing List
Date: Thursday, March 26, 2009 - 12:21 pm

Gitweb:     http://git.kernel.org/linus/3e91faec47e9e12b965c952d698b0bb64847af06
Commit:     3e91faec47e9e12b965c952d698b0bb64847af06
Parent:     5e084a1586a864d4e9b3f2edbb1bd3429909d652
Author:     Magnus Damm <damm@igel.co.jp>
AuthorDate: Tue Feb 24 22:23:51 2009 +0900
Committer:  Paul Mundt <lethal@linux-sh.org>
CommitDate: Fri Feb 27 16:50:00 2009 +0900

    sh: fix P4 iounmap() pass-through
    
    Fix iounmap() of pass-through P4 addresses. Without this patch
    iounmap() on the sh7780 rtc area results in a warning message.
    
    Signed-off-by: Magnus Damm <damm@igel.co.jp>
    Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/mm/ioremap_32.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/sh/mm/ioremap_32.c b/arch/sh/mm/ioremap_32.c
index 32946fb..8dc7702 100644
--- a/arch/sh/mm/ioremap_32.c
+++ b/arch/sh/mm/ioremap_32.c
@@ -119,7 +119,7 @@ void __iounmap(void __iomem *addr)
 	unsigned long seg = PXSEG(vaddr);
 	struct vm_struct *p;
 
-	if (seg < P3SEG || seg >= P3_ADDR_MAX || is_pci_memaddr(vaddr))
+	if (seg < P3SEG || vaddr >= P3_ADDR_MAX || is_pci_memaddr(vaddr))
 		return;
 
 #ifdef CONFIG_32BIT
--
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sh: fix P4 iounmap() pass-through, Linux Kernel Mailing ..., (Thu Mar 26, 12:21 pm)